CVE-2026-13181: high-severity vulnerability in Progress Software Telerik UI for ASP.NET AJAX
RadAsyncUpload AsyncUploadTypeName Type Resolution Vulnerability in Telerik UI for ASP.NET AJAX
Published · Updated
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41Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 8.1epss 0.7%
from disclosure to weapon47 days
Published on NVDJul 22
1st PoC+47d
In Progress® Telerik® UI for AJAX prior to v2026.2.708, forged upload metadata can influence AsyncUploadTypeName processing and trigger unsafe attacker-controlled type resolution, enabling remote code execution in affected deployments.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Progress Software · Telerik UI for ASP.NET AJAXpublic PoCs found — 2
githubgithub.com/HORKimhab/CVE-2026-13181-CVE-2026-13182-CVE-2026-13183-CVE-2026-13184★ 0githubgithub.com/ivanesk315/CVE-2026-13181-Telerik★ 0⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Progress Software Telerik UI for ASP.NET AJAX
In the same product, most dangerous first.
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